EP3683086A1 - Verfahren zur steuerung einer fahrzeugklimaanlage - Google Patents

Verfahren zur steuerung einer fahrzeugklimaanlage Download PDF

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Publication number
EP3683086A1
EP3683086A1 EP18853413.5A EP18853413A EP3683086A1 EP 3683086 A1 EP3683086 A1 EP 3683086A1 EP 18853413 A EP18853413 A EP 18853413A EP 3683086 A1 EP3683086 A1 EP 3683086A1
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EP
European Patent Office
Prior art keywords
vehicle
temperature
air conditioner
interior
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18853413.5A
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English (en)
French (fr)
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EP3683086A4 (de
EP3683086B1 (de
Inventor
Youlin Zhang
Huan ZHAO
Jun Shen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Gree Wuhan Electric Appliances Co Ltd
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Gree Wuhan Electric Appliances Co Ltd
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Publication of EP3683086A1 publication Critical patent/EP3683086A1/de
Publication of EP3683086A4 publication Critical patent/EP3683086A4/de
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/0073—Control systems or circuits characterised by particular algorithms or computational models, e.g. fuzzy logic or dynamic models
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/0065—Control members, e.g. levers or knobs
    • B60H1/00657—Remote control devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B60H1/00807—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a specific way of measuring or calculating an air or coolant temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
    • B60H1/00835—Damper doors, e.g. position control
    • B60H1/00849—Damper doors, e.g. position control for selectively commanding the induction of outside or inside air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00985—Control systems or circuits characterised by display or indicating devices, e.g. voice simulators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • B60L1/02—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2250/00—Driver interactions
    • B60L2250/14—Driver interactions by input of vehicle departure time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2260/00—Operating Modes
    • B60L2260/40—Control modes
    • B60L2260/50—Control modes by future state prediction
    • B60L2260/56—Temperature prediction, e.g. for pre-cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations

Definitions

  • the present application belongs to the technical field of an air conditioner, and in particular to a control method for a vehicle air conditioner.
  • the air conditioning system and the engine system are independent of each other and are both powered by batteries.
  • the compressor of the air conditioner can be turned on without being driven by the vehicle engine, therefore, in principle, the air conditioner can be turned on before the engine starts, so that the interior space of the vehicle can be pre-cooled and preheated. But no application is known.
  • the energy efficiency of the traditional vehicle air conditioner is low, and the power supply efficiency of the battery pack is also reduced under the condition of a low ambient temperature, thereby affecting the driving mileage.
  • the battery power is consumed too fast, because the efficiency of the battery is low under the low ambient temperature, and the hot air heating is based on positive temperature coefficient (PTC), therefore the heating efficiency is low.
  • PTC positive temperature coefficient
  • the full electric vehicle cannot provide engine waste heat for heating, and the traditional hot air heating based on PTC has low energy utilization efficiency, which makes the battery power consumption further increase under the low temperature ambient, therefore the electric vehicle in cold northern region in winter has a short driving time.
  • the operation of the air conditioner in the vehicle needs to consume electric energy, it is possible that the vehicle consumes electric power for cooling or heating, so that the electric power of the vehicle is lower than a safe range, and the vehicle cannot be used because the energy of the vehicle battery is out or too low to start.
  • the new energy vehicle air conditioner in the prior art cannot pre-cool or pre-heat the interior of the vehicle, which will cause the problems of low comfort for the user, low energy efficiency of the air conditioning system, low utilization efficiency of the battery, and low heating efficiency under the low ambient temperature, and cause the problems that the driving time is seriously affected, and that the vehicle cannot start as the energy of the vehicle battery is out or too low. Therefore, a new control method for the vehicle air conditioner is developed and designed in the present application.
  • the technical problem to be solved by the present application is to overcome the defects that the vehicle air conditioner in the prior art cannot pre-cool or preheat the interior of the vehicle, resulting in low use comfort for the user, and the present application provides a control method for the vehicle air conditioner.
  • the present application provides a control method for a vehicle air conditioner, including: remote pre-control, comprising remote timing pre-control; wherein the remote timing pre-control comprises starting the air conditioner to pre-cool or pre-heat t0 minutes before the vehicle is started, and t0 is a constant.
  • the remote timing pre-control further includes:
  • the determining step comprises determining whether Tin>Tout + X1 is satisfied; and the performing step comprises, if Tin>Tout + X1 is satisfied, starting the exterior air circulation t1 minutes ahead of the predetermined time t0, then starting the interior air circulation of the air conditioner, and if Tin>Tout + X1 is not satisfied, starting the interior air circulation of the air conditioner directly without starting the exterior air circulation; wherein X1 and t1 are constants.
  • a range of X1 is 1 ⁇ X1 ⁇ 6 ; and a range of time t1 is 1 ⁇ t1 ⁇ 15.
  • the determining step comprises determining whether Tin ⁇ Tout - X2 is satisfied; and the performing step comprises, if Tin ⁇ Tout + X2 is satisfied, starting the exterior air circulation t2 minutes ahead of the predetermined time t0, then starting the interior air circulation of the air conditioner, and if Tin ⁇ Tout - X2 is not satisfied, starting the interior air circulation of the air conditioner directly without starting the exterior air circulation; wherein X2 and t2 are constants.
  • a range of X2 is 2 ⁇ X2 ⁇ 6, and a range of time t1 is 1 ⁇ t2 ⁇ 12.
  • the remote pre-control further includes remote intelligent temperature control, and the remote intelligent temperature control comprises:
  • the calculating step further includes calculating a temperature value available in the vehicle within t3 ; and the control method further comprises a displaying step of displaying the available temperature value via a control panel or a mobile phone screen.
  • the embedded algorithm comprises two cases which are classified according to a difference between the interior temperature of the vehicle and the exterior temperature of the vehicle when t3>t4, and t3 ⁇ t5 :
  • operating time is allocated as follows: first, the exterior air circulation operates for time (t3 - t4) ⁇ k1, and the air conditioner operates according to the maximum output capacity operation mode for a remaining time, so that the interior temperature of the vehicle reaches a preset value in a preset time, wherein k1 is a correction factor which is given according to the interior temperature of the vehicle, the exterior temperature of the vehicle, and a temperature difference between the interior temperature of the vehicle and the exterior temperature of the vehicle.
  • an initial interior temperature of the vehicle is defined as T0, and an anticipated interior temperature of the vehicle is set to be Tset2; the air conditioning system first operates according to the maximum output capacity operation mode for tx1 minutes, then operates according to the highest energy efficiency operation mode for (t3 - tx1) minutes.
  • the embedded algorithm further comprises two cases which are classified according to a difference between the interior temperature of the vehicle and the exterior temperature of the vehicle when t3 ⁇ t5 :
  • an operating time is allocated as follows: first, the exterior air circulation runs for time (t3 - t5) ⁇ k2, and the air conditioner operates according to the highest energy efficiency operation mode for a remaining time, so that the interior temperature of the vehicle reaches a preset value in a preset time, wherein k2 is a correction factor which is given according to the interior temperature of the vehicle, the exterior temperature of the vehicle, and a temperature difference between the interior temperature of the vehicle and the exterior temperature of the vehicle.
  • an initial interior temperature of the vehicle is defined as T0, and an anticipated interior temperature of the vehicle is set to be Tset2; the air conditioning system first operates according to the highest energy efficiency operation mode for tx2 minutes, then operates according to the minimum capacity operation mode for (t3-tx2) minutes.
  • the remote pre-control further comprises battery pack temperature pre-control
  • the battery pack temperature pre-control includes:
  • the optimal power supply temperature range of a new energy vehicle is defined as [ Topt1, Topt2 ], and an actual battery pack temperature is Tbat; and including:
  • the remote pre-control further includes a comprehensive control combining temperature control for the air conditioner and battery charging control.
  • the comprehensive control includes: if the battery is fully charged when the air conditioner is remotely controlled, starting an air conditioning system according to a remote pre-control program, to adjust an interior temperature of the vehicle, and simultaneously continuing to charge the battery, so that the battery pack remains fully charged when the vehicle is used, and that the interior temperature of the vehicle is ensured to meet preset requirements.
  • the comprehensive control comprises: if the battery is not fully charged when the air conditioner is remotely controlled, simultaneously evaluating a time tc1 required for fully charging the battery, a time tc2 required for adjusting an interior temperature of the vehicle to a preset temperature, an electric quantity Qc required for the remote pre-control for an air conditioning system, a time tc3 required to supplement consumed electric quantity, and a time difference tc4 between a time when control commands are sent to the air conditioner and a time to use the vehicle.
  • tc1 + Max ⁇ tc2, tc3 ⁇ ⁇ tc4 first charging the battery to have electric quantity of Qa or more, then starting an energy-saving mode to adjust the interior temperature of the vehicle while the battery is charged continuously, so that the battery electric quantity remains full, and the interior temperature of the vehicle reaches a preset range when the vehicle is used; wherein Max ⁇ tc2, tc3 ⁇ is a larger of tc2 and tc3.
  • tc1 + Max ⁇ tc2, tc3 ⁇ ⁇ tc4 charging the battery preferably; and simultaneously, remotely feedbacking information that temperature control and battery charging cannot be performed at a same time, and telling an available regulated temperature Tn inside the vehicle and a ratio ⁇ of charged electric quantity to full electric quantity within a preset time.
  • cooling control modes of the air conditioner includes:
  • heating control modes of the air conditioner includes:
  • the present application provides a control method for a vehicle air conditioner, which includes remote pre-control.
  • the remote pre-control includes remote timing pre-control, and the remote timing pre-control includes starting the air conditioner to pre-cool or pre-heat t0 minutes before the vehicle is started, where t0 is a constant.
  • the application provides the remote pre-control for a new energy vehicle air conditioner.
  • the remote pre-control mainly includes remote timing pre-control and remote intelligent temperature control, and at the same time taking the temperature control of the battery pack into account.
  • the remote pre-control means that, in a case that the passenger or the driver has not got on the vehicle yet, the driver can remotely turn on the air conditioner through an on-board air conditioner controller or a mobile phone APP (i.e., remote timing pre-control), or remotely configure a preset value of the interior temperature of the vehicle to be reached in a predetermined time (i.e., remote intelligent temperature control).
  • the air conditioner can pre-cool or pre-heat before the vehicle is started, so that the air interior temperature of the vehicle can be controlled in advance and can reach a comfortable ambient temperature when the user enters the vehicle, thereby providing a comfortable environment for the driver and the passengers.
  • the present application provides remote control and pre-control for the new energy vehicle air conditioner, which achieves the objective that the interior temperature of the vehicle reaches the preset comfortable state when the person reaches the vehicle. In summer, the interior temperature of the vehicle is too high after the vehicle is exposed to the sun.
  • the vehicle user When the vehicle user wants to use the vehicle, the vehicle user starts the door first for ventilation, and turns on the air conditioner at the same time, and waits for the interior temperature of the vehicle to decrease to be in an acceptable range. And the vehicle user in haste will have to tolerate the high temperature in the vehicle; and a similar case is also true in a cold winter.
  • the interior space can be pre-cooled or pre-heated by remote pre-control for the vehicle air conditioner, so that the interior temperature of the vehicle can reach a preset human comfort temperature range in a preset time, thereby reducing the waiting time of the driver and the passengers, and improving the comfort.
  • the remote timing pre-control further includes a combined control of interior and exterior air circulations, and the combined control includes:
  • the air outside the vehicle can be used effectively to realize an air exchange and a heat exchange with the air inside the vehicle interior, so that the air outside the vehicle can reduce or increase the temperature of the air inside the vehicle to meet the requirement.
  • the exterior air circulation is started to exchange heat, thereby reducing the energy consumption of the air conditioning system and increasing the overall energy efficiency of the air conditioning system efficiently.
  • T in >T out +X1 is not satisfied, that is, T in ⁇ T out +X1 is satisfied, which indicates that the ambient interior temperature of the vehicle is lower than the ambient exterior temperature of the vehicle plus a compensation value, even if the air inside the vehicle and the air outside the vehicle are in communication, it is impossible for the air outside the vehicle to reduce the air interior temperature of the vehicle, so the interior air circulation of the air conditioner is directly started at this time.
  • the driver can set a starting time of the air conditioner through an air conditioner controller in the vehicle, that is, start the air conditioner at a preset time, or directly set the temperature of the vehicle to be reached at a certain time.
  • the above operations can also be completed by remote control through an APP in a mobile phone, and the APP on the mobile phone has the functions of the controller in the vehicle.
  • Start the air conditioner at the preset time namely, start the air conditioner unit at the predetermined time
  • Tset1 the preset temperature to be Tset1
  • T in the interior temperature of the vehicle to be T in
  • T out the exterior temperature of the vehicle to be T out .
  • the timing control mode under the cooling condition is shown in FIG. 1 .
  • the interior air circulation means that the air inside the vehicle is circulated, and the air inside the vehicle does not exchange heat with the air outside the vehicle;
  • the exterior air circulation means that the air outside the vehicle enters the vehicle, and the air inside the vehicle exchanges heat with the air outside the vehicle;
  • the highest energy efficiency operation mode refers to a mode, in which the air conditioner runs with the highest energy efficiency ratio under the current working condition; the mode is matched and established by the previous air conditioning system , and is realized by controlling the compressor frequency, the throttling component, the fan speed, and the on/off of the solenoid valve.
  • the range of X1 is 1 ⁇ X1 ⁇ 6; the range of time t1 is 1 ⁇ t1 ⁇ 15.
  • the detecting the interior temperature of the vehicle and the exterior temperature of the vehicle and starting the exterior air circulation under certain conditions herein are to cool inside of the vehicle via the temperature difference in the environment, thereby saving energy consumption of the air conditioner.
  • T in ⁇ T out -X2 When T in ⁇ T out -X2 is not satisfied, that is, T in >T out -X2 is satisfied, it indicates that the ambient interior temperature of the vehicle is higher than the ambient exterior temperature of the vehicle minus a compensation value. Even if the air inside the vehicle and the air outside the vehicle are in communication, it is impossible for the air outside the vehicle to increase the temperature of air inside the vehicle, so the interior air circulation of the air conditioner is directly started at this time.
  • the range of X2 is 2 ⁇ X2 ⁇ 6; the range of time t1 is 1 ⁇ t2 ⁇ 12.
  • the remote pre-control further includes remote intelligent temperature control, and the remote intelligent temperature control includes:
  • the maximum output capacity operation mode is a mode, in which the air conditioner unit outputs the maximum capacity (including cooling capacity or heating capacity) under the current working condition. In the mode, the greatest temperature decreasing speed through cooling or the greatest temperature rising speed through heating in the vehicle is achieved. That is, this mode is also the shortest cooling time or heating time mode.
  • the highest energy efficiency operation mode is a mode, in which the air conditioner unit operating in the current working condition has the highest energy efficiency ratio.
  • the minimum capacity operation mode refers to a mode, in which the air conditioner unit needs to output the minimum capacity (including cooling capacity or heating capacity) to maintain the interior temperature of the vehicle. In the mode, the interior temperature of the vehicle remains unchanged.
  • Tset2 can be achieved by the air conditioner operating according to the maximum output capacity operation mode for time t4, therefore, it is necessary to consider the energy efficiency of the air conditioning system at this time, and the optimal energy efficiency cooling/heating mode is selected to control the air conditioning system, thereby increasing the energy efficiency of the air conditioning system.
  • the remote intelligent temperature control of the air conditioner can also be realized through the controller in the vehicle or through the APP on the mobile phone. That is, presetting the air conditioning unit enables the interior temperature of the vehicle to reach the preset value at in determined time.
  • the air conditioning system In the remote intelligent temperature control mode, combining the interior temperature of the vehicle and the exterior temperature of the vehicle, the air conditioning system automatically adjusts the output capability according to the preset time and the preset temperature to be reached.
  • the closed space in the vehicle is not too large, and the load of the air conditioner, the time required for cooling or heating can be calculated by the embedded algorithm matching with the air conditioning system in advance, and the optimal cooling/heating mode is selected, so that the interior temperature of the vehicle can reach the preset temperature within the preset time when the air conditioner operates according to the highest energy efficiency operation mode.
  • the calculating step further includes calculating a temperature value available in the vehicle within the time t3.
  • the remote intelligent temperature control further includes a displaying step of displaying the available temperature value via a control panel or a mobile phone screen.
  • a displaying step of displaying the available temperature value via a control panel or a mobile phone screen.
  • the air conditioner unit has three optional operating modes: the maximum output capacity operation mode, the highest energy efficiency operation mode, and the minimum capacity operation mode.
  • the maximum output capacity operation mode is a mode, in which the air conditioner unit can output the maximum capacity (including cooling capacity or heating capacity) under the current working condition. In the mode, the greatest temperature decreasing speed through cooling or the greatest temperature rising speed through heating in the vehicle is achieved. That is, this mode is also the shortest cooling time or heating time mode.
  • the highest energy efficiency operation mode is a mode, in which the air conditioner unit operating in the current working condition has the highest energy efficiency ratio.
  • the minimum capacity operation mode refers to a mode, in which the air conditioner unit needs to output the minimum capacity (including cooling capacity or heating capacity) to maintain the interior temperature of the vehicle. In the mode, the interior temperature of the vehicle remains unchanged.
  • the embedded algorithm includes: two cases which are classified according to a difference between the interior temperature of the vehicle and the exterior temperature of the vehicle when t3>t4, and t3 ⁇ t5:
  • the air conditioning system can calculate the cooling time according to the current interior temperature of the vehicle and the current exterior temperature of the vehicle, as shown in the control chart: assume that the cooling time is set to be t3, and the cooling time of the air conditioning system operating according to the maximum output capacity operation mode is t4, and the cooling time of the air conditioning system operating according to the highest energy efficiency operation mode is t5, where t5 ⁇ 4.
  • the exterior temperature of the vehicle being less than the difference between the interior temperature of the vehicle and the compensating temperature indicates that the interior temperature is higher than the exterior temperature by a certain value.
  • it is preferable to start the mode of the interior air circulation exchanging with the exterior air circulation to achieve the goal of cooling the interior of the vehicle to reduce the temperature.
  • start the interior air circulation and then start the refrigerant circulation to reduce the temperature, thereby effectively utilizing the air outside the vehicle to transfer heat and reduce the temperature of the high temperature air inside the vehicle, and improving the energy efficiency of the air conditioner.
  • the interior of the vehicle is under the heating condition, and the exterior temperature of the vehicle is greater than the sum of the interior temperature of the vehicle and the compensating temperature, it indicates that the interior temperature is lower than the exterior temperature by a certain value.
  • start the interior air circulation and then start the refrigerant circulation to increase the temperature, thereby effectively utilizing the air outside the vehicle to transfer heat and increase the temperature of the high temperature air inside the vehicle, and improving the energy efficiency of the air conditioner.
  • the operating time is allocated as follows: first, the exterior air circulation operates for time (t3-t4) ⁇ k1, and the air conditioner runs according to the maximum output capacity operation mode for the remaining time, where k1 is a correction factor which is given according to the interior temperature of the vehicle, the exterior temperature of the vehicle, and the temperature difference between the interior temperature of the vehicle and the exterior temperature of the vehicle.
  • k1 is a correction factor which is given according to the interior temperature of the vehicle, the exterior temperature of the vehicle, and the temperature difference between the interior temperature of the vehicle and the exterior temperature of the vehicle.
  • an initial interior temperature of the vehicle is defined as T0, and the anticipated interior temperature of the vehicle is set to be Tset2 by the user.
  • the air conditioning system first operates according to the maximum output capacity operation mode for tx1 minutes, then operates according to the highest energy efficiency operation mode for (t3-tx1) minutes.
  • the tx1 is calculated by a linear arithmetic based on the cooling speed or the heating speed in the maximum output capacity operation mode and in the highest energy efficiency operation mode.
  • the cooling speed or the heating speed in the maximum output capacity operation mode and in the highest energy efficiency operation mode are respectively defined as v1 and v2, then:
  • the embedded algorithm further includes two cases which are classified according to a difference between the interior temperature of the vehicle and the exterior temperature of the vehicle when t3 ⁇ t5 :
  • the air conditioning system can calculate the cooling time according to the current interior temperature of the vehicle and the current exterior temperature of the vehicle, as shown in the control chart: assume that the cooling time is set to be t3, and the cooling time of the air conditioning system operating according to the maximum output capacity operation mode is t4, and the cooling time of the air conditioning system operating according to the highest energy efficiency operation mode is t5, where t5 ⁇ t4.
  • the exterior temperature of the vehicle being less than the difference between the interior temperature of the vehicle and the compensating temperature indicates that the interior temperature is higher than the exterior temperature by a certain value.
  • it is preferable to start the mode of the interior air circulation exchanging with the exterior air circulation to achieve the goal of cooling the interior of the vehicle to reduce the temperature.
  • start the interior air circulation and then start the refrigerant circulation to reduce the temperature, thereby effectively utilizing the air outside the vehicle to transfer heat and reduce the temperature of the high temperature air inside the vehicle, and improving the energy efficiency of the air conditioner.
  • the interior of the vehicle is under the heating condition, and the exterior temperature of the vehicle is greater than the sum of the interior temperature of the vehicle and the compensating temperature, it indicates that the interior temperature is lower than the exterior temperature by a certain value.
  • start the interior air circulation and then start the refrigerant circulation to increase the temperature, thereby effectively utilizing the air outside the vehicle to transfer heat and increase the temperature of the high temperature air inside the vehicle, and improving the energy efficiency of the air conditioner.
  • the operating time is allocated as follows: first, the exterior air circulation runs for time (t3-t5) ⁇ k2, and the air conditioner operates according to the highest energy efficiency operation mode for the remaining time, where k2 is a correction factor which is given according to the interior temperature of the vehicle, the exterior temperature of the vehicle, and the temperature difference between the interior temperature of the vehicle and the exterior temperature of the vehicle.
  • k2 is a correction factor which is given according to the interior temperature of the vehicle, the exterior temperature of the vehicle, and the temperature difference between the interior temperature of the vehicle and the exterior temperature of the vehicle.
  • the initial interior temperature of the vehicle is defined as T0
  • the anticipated interior temperature of the vehicle set by the user is Tset2.
  • the air conditioning system first operates according to the highest energy efficiency operation mode for tx2 minutes, and then runs according to the minimum capacity operation mode for (t3-tx2) minutes.
  • the tx2 is calculated by a linear arithmetic based on the cooling speed or the heating speed in the highest energy efficiency operation mode and in the minimum capacity operation mode.
  • the cooling speed or the heating speed in the highest energy efficiency operation mode and the minimum capacity operation mode are defined as v2 and v3 respectively, then:
  • the remote intelligent temperature control can meet the customer's requirements more accurately, and can provide quantifiable indicators for the comfort of the interior temperature. Moreover, the air conditioning system control scheme with the highest efficiency is selected by the remote intelligent temperature control combining the interior heating mode or cooling mode, thereby saving the electricity consumption of the air conditioner.
  • the remote pre-control further includes battery pack temperature pre-control
  • the battery pack temperature pre-control includes:
  • optimal power supply temperature range means that the battery pack in this temperature range has the highest power supply efficiency.
  • the remote pre-control method can automatically detect whether the temperature of the battery pack is within the optimal power supply temperature range.
  • the battery pack is not pre-controlled; when the battery pack temperature is not within the optimal power supply temperature range, the battery pack needs to be pre-controlled.
  • the air conditioner is controlled in advance to regulate the temperature, and simultaneously, the battery pack temperature is pre-controlled, so that the battery system can be in the optimal state before the user uses the vehicle, thereby improving the energy utilization efficiency of the battery, and improving the driving mileage.
  • the battery pack temperature will be cooled to be a temperature equivalent to the ambient temperature (-15°C or even lower).
  • the battery power supply efficiency is lower than that at a normal temperature, if the vehicle is started immediately, the driving mileage will be reduced accordingly; if the battery pack temperature can be maintained in the temperature range of high-efficiency operating before the battery pack starts, the power supply efficiency can be improved, thereby extending the driving mileage.
  • the optimal power supply temperature range of a new energy vehicle is defined as [Topt1, Topt2], and the actual battery pack temperature is Tbat, and when Topt1 ⁇ Tbat ⁇ Topt2, do not pre-control the battery pack temperature; when Tbat ⁇ Topt1, pre-heat the battery pack, so that the temperature of the battery pack of the vehicle reaches above Topt1 in the preset time; when Topt2 ⁇ Tbat, pre-cool the battery pack, so that the temperature of the battery pack of the vehicle reaches below Topt1 in the preset time.
  • the remote pre-control of this embodiment further includes a comprehensive control combining the temperature control for the air conditioner and the battery charging control when the vehicle is being charged.
  • the interior temperature of the vehicle and the electric quantity of the battery pack can be pre-controlled at the same time.
  • the vehicle When the vehicle being charged receives the control commands for the air conditioner, the vehicle automatically calculates the time required for fully charging the battery, the time required for the temperature to reach the preset temperature set by the driver and the battery energy consumption, and the optimal control scheme is selected to ensure that the battery electric quantity is full after the charging is completed, and that the interior temperature of the vehicle reaches the comfortable temperature range preset by the vehicle driver; the control for the air conditioner and the battery charging control are intelligently linked, and both of the battery charging control and the pre-control for the air conditioner are also considered, thereby ensuring the interior temperature of the vehicle and the electric quantity of the battery pack to be optimal at the same time.
  • two control modes are provided.
  • the air conditioning system Preferably and first, if the battery is fully charged when the air conditioner is remotely controlled, then start the air conditioning system according to a remote pre-control program, to adjust the interior temperature of the vehicle, and simultaneously continue to charge the battery, so that the battery pack remains fully charged when the user uses the vehicle, and the interior temperature of the vehicle is ensured to meet the preset requirements of the driver.
  • the battery is not fully charged when the air conditioner is remotely controlled, it is necessary to simultaneously evaluate the time tc1 required for fully charging the battery, the time tc2 required for adjusting the interior temperature of the vehicle to the preset temperature, the electric quantity Qc required for the pre-control for the air conditioning system, the time tc3 required to supplement the consumed electric quantity, and the time difference tc4 between the time when the driver sends the control commands for the air conditioner and the time when the driver plans to use the vehicle.
  • the electric quantity of the vehicle battery reaches a certain amount electric quantity of Qa or more, then start the air conditioner to control the interior temperature of the vehicle.
  • the range of Qa is from 75% to 100% of the total electric quantity.
  • the battery is charged preferably. Since the operation of the air conditioner needs to consume the battery electric quantity, it is necessary to reduce the electric quantity consumed by the air conditioner in the vehicle, and simultaneously, to remotely feedback the information to the user that temperature control and battery charging cannot be performed at the same time, and note the user the available regulated temperature Tn inside the vehicle and the ratio ⁇ ( ⁇ ⁇ 1) of the charged electric quantity to the full electric quantity within the preset time.
  • the specific control method is as follows: when the air conditioning system operates under the cooling working condition, the cooling control modes of the air conditioner includes:
  • the specific control method is as follows: when the air conditioning system operates under the heating working condition, the heating control modes of the air conditioner includes:

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
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  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
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  • Air-Conditioning For Vehicles (AREA)
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